Re: [Matplotlib-users] hist question...

2010-05-20 Thread Alan G Isaac
On 5/18/2010 9:53 AM, Nick Schurch wrote:
 Is there anyway of re-ploting the distribution generated by hist at a
 later point?

http://docs.scipy.org/doc/numpy/reference/generated/numpy.histogram.html

hth,
Alan Isaac


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[Matplotlib-users] hist question...

2010-05-19 Thread Nick Schurch
Hi all,

Is there anyway of re-ploting the distribution generated by hist at a
later point? I want to call it in a subroutine and have the resulting
distributions returned so I can plot them without having to
recalculate them each time. I couldn't find anything int he online
documentation but I figured it'd be something like:

import matplotlib.pyplot as plt
hplot=plt.hist(data, bins=1000)

plt.hist(hplot)
or
plt.hist(hplot[0],bins=hplot[1])
or
plt.plot(hist)


etc, but nothing works.

Cheers,

Nick Schurch

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[Matplotlib-users] hist question...

2010-05-18 Thread Nick Schurch
Hi all,

Is there anyway of re-ploting the distribution generated by hist at a
later point? I want to call it in a subroutine and have the resulting
distributions returned so I can plot them without having to
recalculate them each time. I couldn't find anything int he online
documentation but I figured it'd be something like:

import matplotlib.pyplot as plt
hplot=plt.hist(data, bins=1000)

plt.hist(hplot)
or
plt.hist(hplot[0],bins=hplot[1])
or
plt.plot(hist)


etc, but nothing works.

-- 
Cheers,

Nick Schurch

Data Analysis Group (The Barton Group),
School of Life Sciences,
University of Dundee,
Dow St,
Dundee,
DD1 5EH,
Scotland,
UK

Tel: +44 1382 388707
Fax: +44 1382 345 893

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Re: [Matplotlib-users] hist question...

2010-05-18 Thread PHobson
Nick,

Check out this demo on the MPL website:
http://matplotlib.sourceforge.net/examples/api/histogram_demo.html

This line in particular:
n, bins, patches = ax.hist(x, 50, normed=...)

The variables 'n' and 'bins' can be fed into ax.bar() later on. I could swear 
that this was clear from the docstring, but that's definitely not the case 
anymore. I'll submit a patch to the list tomorrow if I can remember to work on 
it some tonight. 

Do see the docstring for an explanation of what can be done with the 'patches' 
variable.

Hope this helps,
-paul

 -Original Message-
 From: Nick Schurch [mailto:n.schu...@dundee.ac.uk]
 Sent: Tuesday, May 18, 2010 6:56 AM
 To: matplotlib-users@lists.sourceforge.net
 Subject: [Matplotlib-users] hist question...
 
 Hi all,
 
 Is there anyway of re-ploting the distribution generated by hist at a
 later point? I want to call it in a subroutine and have the resulting
 distributions returned so I can plot them without having to
 recalculate them each time. I couldn't find anything int he online
 documentation but I figured it'd be something like:
 
 import matplotlib.pyplot as plt
 hplot=plt.hist(data, bins=1000)
 
 plt.hist(hplot)
 or
 plt.hist(hplot[0],bins=hplot[1])
 or
 plt.plot(hist)
 
 
 etc, but nothing works.
 
 --
 Cheers,
 
 Nick Schurch
 
 Data Analysis Group (The Barton Group),
 School of Life Sciences,
 University of Dundee,
 Dow St,
 Dundee,
 DD1 5EH,
 Scotland,
 UK
 
 Tel: +44 1382 388707
 Fax: +44 1382 345 893
 
 -
 -
 
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 Matplotlib-users@lists.sourceforge.net
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